Home / 4,691.80-7,033.38-2,227.78

Finding the Fourth Proportional to 4,691.80, 7,033.38 and 2,227.78

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Solution

The fourth proportional to 4,691.80, 7,033.38 and 2,227.78 is: 3,339.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,691.80 : 7,033.38 = 2,227.78 : x
  2. Step 2: Convert to fraction form
    4,691.80/7,033.38 = 2,227.78/x
  3. Step 3: Cross multiply
    4,691.80x = 7,033.38 × 2,227.78
  4. Step 4: Simplify right side
    4,691.80x = 15,668,823.30
  5. Step 5: Solve for x
    x = 15,668,823.30/4,691.80
  6. Step 6: Final answer
    x = 3,339.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.